00 \u00a0 \/**********************************************************************
01 \u00a0 Copyright (c) 2014-2016 Mark C. Erickson
02 \u00a0
03 \u00a0 Permission is hereby granted, free of charge, to any person obtaining
04 \u00a0 a copy of this software and associated documentation files (the
05 \u00a0 \"Software\"), to deal in the Software without restriction, including
06 \u00a0 without limitation the rights to use, copy, modify, merge, publish,
07 \u00a0 distribute, sublicense, and\/or sell copies of the Software, and to
08 \u00a0 permit persons to whom the Software is furnished to do so, subject to
09 \u00a0 the following conditions:
10 \u00a0
11 \u00a0 The above copyright notice and this permission notice shall be included
12 \u00a0 in all copies or substantial portions of the Software.
13 \u00a0
14 \u00a0 THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 \u00a0 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 \u00a0 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 \u00a0 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 \u00a0 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 \u00a0 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 \u00a0 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 \u00a0
22 \u00a0 CHANGE LOG:
23 \u00a0 v1.1.0 - added GUI
24 \u00a0 v1.0.0 - initial release
25 \u00a0
26 \u00a0 **********************************************************************\/
27 \u00a0
<\/p>
Disclaimer...<\/a> 49 \u00a0 @gfx 256 256
28 \u00a0 desc:Pan: Cos [-6dB], v1.1.0
29 \u00a0
30 \u00a0 slider1:0<-120,120,0.1>Pan Angle [degrees]
31 \u00a0
32 \u00a0 @init
33 \u00a0 gfx_clear = 256*256*256-1;
34 \u00a0 m = 0;
35 \u00a0 gainL = 0.5;
36 \u00a0 gainR = 0.5;
37 \u00a0
38 \u00a0 @slider
39 \u00a0 m = slider1 + 120;
40 \u00a0 m *= 90\/240;
41 \u00a0 gainL = pow(cos( m * $pi \/ 180.0 ), 2.0);
42 \u00a0 gainR = pow(sin( m * $pi \/ 180.0 ), 2.0);
43 \u00a0
44 \u00a0 @sample
45 \u00a0 spl0 *= gainL;
46 \u00a0 spl1 *= gainR;
47 \u00a0
Graphics...<\/a><\/p>
50 \u00a0 gfx_setfont(1, \"Arial\", 10);
51 \u00a0 gfx_a = 1;
52 \u00a0
53 \u00a0 gfx_r = gfx_g = gfx_b = 0.1;
54 \u00a0 gfx_line(0, 0, gfx_w, 0, 0.5); \/\/ outline our GUI box
55 \u00a0 gfx_line(0, 0, 0, gfx_h, 0.5);
56 \u00a0 gfx_line(gfx_w-1, 0, gfx_w-1, gfx_h, 0.5);
57 \u00a0 gfx_line(0, gfx_h-2, gfx_w, gfx_h-2, 0.5);
58 \u00a0
59 \u00a0 x_step = gfx_w \/ 10;
60 \u00a0 y_step = gfx_h \/ 10;
61 \u00a0
62 \u00a0 i = 1;
63 \u00a0 loop(9, \/\/ y-axiis
64 \u00a0 x = i*x_step;
65 \u00a0 gfx_line(x, y_step, x, y_step*7, 0.5);
66 \u00a0 i += 1;
67 \u00a0 );
68 \u00a0
69 \u00a0 gfx_x = x_step - 15;
70 \u00a0 gfx_y = gfx_h - 3*y_step + 9;
71 \u00a0 sprintf(str, \"%.1f\u02da\", -120);
72 \u00a0 gfx_drawstr(str);
73 \u00a0
74 \u00a0 gfx_x = 3*x_step - 11;
75 \u00a0 gfx_y = gfx_h - 3*y_step + 9;
76 \u00a0 sprintf(str, \"%.1f\u02da\", -60);
77 \u00a0 gfx_drawstr(str);
78 \u00a0
79 \u00a0 gfx_x = 5*x_step - 7;
80 \u00a0 gfx_y = gfx_h - 3*y_step + 9;
81 \u00a0 sprintf(str, \"%.1f\u02da\", 0);
82 \u00a0 gfx_drawstr(str);
83 \u00a0
84 \u00a0 gfx_x = 7*x_step - 11;
85 \u00a0 gfx_y = gfx_h - 3*y_step + 9;
86 \u00a0 sprintf(str, \"+%.1f\u02da\", 60);
87 \u00a0 gfx_drawstr(str);
88 \u00a0
89 \u00a0 gfx_x = 9*x_step - 15;
90 \u00a0 gfx_y = gfx_h - 3*y_step + 9;
91 \u00a0 sprintf(str, \"+%.1f\u02da\", 120);
92 \u00a0 gfx_drawstr(str);
93 \u00a0
94 \u00a0 i = 1;
95 \u00a0 loop(7, \/\/ x-axiis
96 \u00a0 y = i*y_step;
97 \u00a0 gfx_line(x_step-2, y, x_step*9, y, 0.5);
98 \u00a0 i += 1;
99 \u00a0 );
100 \u00a0
101 \u00a0 gfx_x = x_step - 32;
102 \u00a0 gfx_y = y_step - 6;
103 \u00a0 gfx_drawchar($' ');
104 \u00a0 gfx_drawchar($'0');
105 \u00a0 gfx_drawchar($' ');
106 \u00a0 gfx_drawchar($'d');
107 \u00a0 gfx_drawchar($'B');
108 \u00a0
109 \u00a0 gfx_x = x_step - 33;
110 \u00a0 gfx_y = 2*y_step - 7;
111 \u00a0 gfx_drawchar($'-');
112 \u00a0 gfx_drawchar($' ');
113 \u00a0 gfx_drawchar($'3');
114 \u00a0 gfx_drawchar($'d');
115 \u00a0 gfx_drawchar($'B');
116 \u00a0
117 \u00a0 gfx_x = x_step - 33;
118 \u00a0 gfx_y = 3*y_step - 7;
119 \u00a0 gfx_drawchar($'-');
120 \u00a0 gfx_drawchar($' ');
121 \u00a0 gfx_drawchar($'6');
122 \u00a0 gfx_drawchar($'d');
123 \u00a0 gfx_drawchar($'B');
124 \u00a0
125 \u00a0 gfx_x = x_step - 33;
126 \u00a0 gfx_y = 4*y_step - 7;
127 \u00a0 gfx_drawchar($'-');
128 \u00a0 gfx_drawchar($' ');
129 \u00a0 gfx_drawchar($'9');
130 \u00a0 gfx_drawchar($'d');
131 \u00a0 gfx_drawchar($'B');
132 \u00a0
133 \u00a0 gfx_x = x_step - 36;
134 \u00a0 gfx_y = 5*y_step - 7;
135 \u00a0 gfx_drawchar($'-');
136 \u00a0 gfx_drawchar($'1');
137 \u00a0 gfx_drawchar($'2');
138 \u00a0 gfx_drawchar($'d');
139 \u00a0 gfx_drawchar($'B');
140 \u00a0
141 \u00a0 gfx_x = x_step - 36;
142 \u00a0 gfx_y = 6*y_step - 7;
143 \u00a0 gfx_drawchar($'-');
144 \u00a0 gfx_drawchar($'1');
145 \u00a0 gfx_drawchar($'5');
146 \u00a0 gfx_drawchar($'d');
147 \u00a0 gfx_drawchar($'B');
148 \u00a0
149 \u00a0 gfx_x = x_step - 36;
150 \u00a0 gfx_y = 7*y_step - 7;
151 \u00a0 gfx_drawchar($'-');
152 \u00a0 gfx_drawchar($'1');
153 \u00a0 gfx_drawchar($'8');
154 \u00a0 gfx_drawchar($'d');
155 \u00a0 gfx_drawchar($'B');
156 \u00a0
157 \u00a0 pos = slider1 + 120;
158 \u00a0 gfx_r = gfx_g = 0.1;
159 \u00a0 gfx_b = 0.9;
160 \u00a0 dB = 20 * log10(gainR);
161 \u00a0 dB *= -1;
162 \u00a0 pos == 0 ? dB = 99.9;
163 \u00a0 m == 0 ? dB = 99.9;
164 \u00a0 y = y_step*dB\/3 + y_step;
165 \u00a0 y > y_step*7 - 1 ? y = y_step*7 - 1;
166 \u00a0 gfx_rect(x_step+2, y, x_step*8-3, 2, 0.5); \/\/ horizontal line
167 \u00a0 gfx_rect(x_step+pos\/240*x_step*8, y_step+2, 1, y_step*6-3, 0.5);\/\/ vertical line
168 \u00a0 gfx_rect(x_step+pos\/240*x_step*8-3, y-2, 7, 6, 0.5); \/\/ hilite box
169 \u00a0 gfx_x = gfx_w*.9+8;
170 \u00a0 gfx_y = y-6;
171 \u00a0 sprintf(str, \"%.1fdB\", -dB);
172 \u00a0 gfx_drawstr(str);
173 \u00a0 gfx_x = x_step+pos\/240*x_step*8-9;
174 \u00a0 gfx_y = y_step - 17;
175 \u00a0 sprintf(str, \"%.1f\u02da\", slider1);
176 \u00a0 gfx_drawstr(str);
177 \u00a0
178 \u00a0 gfx_g = 0.2;
179 \u00a0 gfx_b = gfx_r = 0.9;
180 \u00a0 RES = 100; \/\/ min = 8
181 \u00a0 x_step1 = x_step * 8\/RES;
182 \u00a0
183 \u00a0 i = 1;
184 \u00a0 loop(RES, \/\/8, \/\/ main curve
185 \u00a0 x = i*x_step1;
186 \u00a0
187 \u00a0 c=(240*(i-1)\/RES)-120;
188 \u00a0 m1 = c + 120;
189 \u00a0 m1 *= 90\/240;
190 \u00a0 gainR1 = pow(sin( m1 * $pi \/ 180.0 ), 2);
191 \u00a0 dB1 = -20 * log10(gainR1);
192 \u00a0 dB1 > 18 ? dB1 = 18;
193 \u00a0 i == 1 ? dB1 = 18;
194 \u00a0 y = y_step*dB1\/3 + y_step;
195 \u00a0
196 \u00a0 c=(240*(i)\/RES)-120;
197 \u00a0 m2 = c + 120;
198 \u00a0 m2 *= 90\/240;
199 \u00a0 gainR2 = pow(sin( m2 * $pi \/ 180.0 ), 2);
200 \u00a0 dB2 = -20 * log10(gainR2);
201 \u00a0 dB2 > 18 ? dB2 = 18;
202 \u00a0 i == 1 ? dB2 = 18;
203 \u00a0 y1 = y_step*dB2 \/3 + y_step;
204 \u00a0
205 \u00a0 gfx_line(x_step+x-x_step1, y, x_step+x, y1, 0.5);
206 \u00a0 i += 1;
207 \u00a0 );
208 \u00a0
209 \u00a0 gfx_setfont(1, \"Arial\", 12); \/\/ main title
210 \u00a0 gfx_r = gfx_g = gfx_b = 0.0;
211 \u00a0 gfx_x = x_step;
212 \u00a0 gfx_y = gfx_h - y_step - 7;
213 \u00a0 gfx_drawstr(\"Cos -6dB Pan: Gain (dB) - vs - Pan Angle (degrees)\");
214 \u00a0
215 \u00a0 \/\/ mouse
216 \u00a0 mouse_cap == 1 ? (
217 \u00a0 xx = mouse_x;
218 \u00a0 xx > gfx_w * 0.1 ? (
219 \u00a0 xx < gfx_w * 0.9 ? (
220 \u00a0 yy = mouse_y;
221 \u00a0 yy > gfx_h * 0.1 ? (
222 \u00a0 yy < gfx_h * 0.7 ? (
223 \u00a0 slider1 = 240 * (xx - gfx_w*.1) \/ (gfx_w*.9 - gfx_w*.1) - 120;
224 \u00a0 \/\/ slider1 < 0.3 ? slider1 = floor(slider1);
225 \u00a0 \/\/ slider1 > 99.7 ? slider1 = ceil(slider1);
226 \u00a0 slider1 = floor(slider1*10);
227 \u00a0 slider1 \/= 10;
228 \u00a0 sliderchange(slider1);
229 \u00a0 slider_automate(slider1);
230 \u00a0 slider1 < -119 ? slider1 = -120;
231 \u00a0 slider1 > 119 ? slider1 = 120;
232 \u00a0 m = slider1 + 120;
233 \u00a0 \t\t m *= 90\/240;
234 \u00a0 \t\t gainL = pow(cos( m * $pi \/ 180.0 ), 2);
235 \u00a0 \t\t gainR = pow(sin( m * $pi \/ 180.0 ), 2);
236 \u00a0 );
237 \u00a0 );
238 \u00a0 );
239 \u00a0 );
240 \u00a0 );\n
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